Electric scale



FIG. 1 is a front view of electric scale showing an exemplary embodiment of my new design;

FIG. 2 is a rear view of the electric scale of FIG. 1;

FIG. 3 is a side view of the electric scale of FIG. 1;

FIG. 4 is a side view of the electric scale of FIG. 1; and,

FIG. 5 is a top view of the electric scale of FIG. 1. 

I claim the ornamental design for electric scale, as shown and described. 